20305133124504 has 64 divisors (see below), whose sum is σ = 52499132467200. Its totient is φ = 6540516862464.

The previous prime is 20305133124443. The next prime is 20305133124559. The reversal of 20305133124504 is 40542133150302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113841297 + ... + 114019520.

It is an arithmetic number, because the mean of its divisors is an integer number (820298944800).

Almost surely, 2^{20305133124504} is an apocalyptic number.

20305133124504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20305133124504 is an abundant number, since it is smaller than the sum of its proper divisors (32193999342696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20305133124504 is a wasteful number, since it uses less digits than its factorization.

20305133124504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227860952 (or 227860948 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 20305133124504 its reverse (40542133150302), we get a palindrome (60847266274806).

The spelling of 20305133124504 in words is "twenty trillion, three hundred five billion, one hundred thirty-three million, one hundred twenty-four thousand, five hundred four".